Vulnerability · Published Feb 21, 2026 · Assigned by GitHub_M

CVE-2026-27189OpenSift: Race-prone local persistence could cause state corruption/loss

Medium 6.6

In plain English

A medium-severity race condition in OpenSift from OpenSift. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 3.1)6.6Medium

Exploit odds (30 days)0.1%top 97.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Versions 1.1.2-alpha and below, use non-atomic and insufficiently synchronized local JSON persistence flows, potentially causing concurrent operations to lose updates or corrupt local state across sessions/study/quiz/flashcard/wellness/auth stores. This issue has been fixed in version 1.1.3-alpha.

Affected products (as reported)

Vendor	Product	Versions
OpenSift	OpenSift	< 1.1.3-alpha

Weakness: CWE-367, CWE-362 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

References

https://github.com/OpenSift/OpenSift/security/advisories/GHSA-3pmp-j953-whxq x_refsource_CONFIRM
https://github.com/OpenSift/OpenSift/releases/tag/v1.1.3-alpha x_refsource_MISC